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CA427096A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA427096A
CA427096A CA427096A CA427096DA CA427096A CA 427096 A CA427096 A CA 427096A CA 427096 A CA427096 A CA 427096A CA 427096D A CA427096D A CA 427096DA CA 427096 A CA427096 A CA 427096A
Authority
CA
Canada
Prior art keywords
telephone system
telephone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA427096A
Other languages
French (fr)
Inventor
Alvin Marrison Warren
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Bell Telephone Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA427096A publication Critical patent/CA427096A/en
Expired legal-status Critical Current

Links

CA427096A Telephone system Expired CA427096A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA427096T

Publications (1)

Publication Number Publication Date
CA427096A true CA427096A (en) 1945-04-24

Family

ID=35538124

Family Applications (1)

Application Number Title Priority Date Filing Date
CA427096A Expired CA427096A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA427096A (en)

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